Update artemis4j and skip submissions where the assessment can't be l…

…oaded (#66)

pom.xml

@@ -19,7 +19,7 @@
     <dependency>
       <groupId>edu.kit.kastel.sdq</groupId>
       <artifactId>artemis4j</artifactId>
-      <version>7.5.6</version>
+      <version>7.5.7-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.jcommander</groupId>

src/main/java/edu/kit/kastel/sdq/scorestats/cli/CLI.java

@@ -172,7 +172,16 @@ private Assessments loadAssessments(GradingConfig config, ProgrammingExercise ex
 
         for (ProgrammingSubmission submission : submissions) {
             String studentId = submission.getParticipantIdentifier();
-            Assessment assessment = submission.openAssessment(config).orElse(null);
+            Assessment assessment = null;
+            try {
+                assessment = submission.openAssessment(config).orElse(null);
+            } catch (Exception e) {
+                // Artemis4j is not perfect and might crash while loading an assessment.
+                // If a crash occurs, the student will be skipped.
+                logger.error("Error while loading assessment for student %s, submission id: %d".formatted(studentId, submission.getId()), e);
+                continue;
+            }
+
             if (assessment == null) {
                 skippedStudents.add(studentId);
                 continue;